12. Ms. Lemon has $150 to spend on the parking and admission to the zoo. The parking will cost $18, and
admission tickets will cost $16.50 per person, including tax. Write and solve an equation that can be used to
determine the number of people that she can bring to the zoo, including herself.
(2-Point Holistic Rubrie)
Show all work.

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.